#!/usr/bin/node

const Writable = require('stream').Writable;


function GreenStream() {
  Writable.call(this);
  this._write=(chunk,encoding,callback) => {
    process.stdout.write('\033[1;32m' + chunk + '\033[1;37m');
    callback();

  };
}

GreenStream.prototype = Writable.prototype;
process.stdin.pipe(new GreenStream());
